58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
/**
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* Service which helps set the contents of the <meta> tags (and the <title> of a page).
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*/
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angular.module('quay').factory('MetaService', ['$interpolate', 'Config', '$rootScope', '$interval',
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function($interpolate, Config, $rootScope, $interval) {
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var metaService = {};
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var interpolate = function(page, expr, callback) {
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$rootScope.$watch(page.scope, function() {
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var inter = $interpolate(expr, true, null, true);
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callback(inter(page.scope));
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});
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};
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var initial = function(value, default_value, callback) {
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if (!value) {
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callback(default_value);
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return;
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}
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if (value.indexOf('{{') < 0) {
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callback(default_value);
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return;
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}
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callback('Loading...');
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};
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metaService.getInitialTitle = function(page, callback) {
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var route = page.$$route;
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initial(route && route.title, Config.REGISTRY_TITLE_SHORT, callback);
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};
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metaService.getInitialDescription = function(page, callback) {
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var route = page.$$route;
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initial(route && route.description, Config.REGISTRY_TITLE_SHORT, callback);
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};
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metaService.getTitle = function(page, callback) {
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var route = page.$$route;
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if (!route || !route.title || route.title.indexOf('{{') < 0) {
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return;
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}
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interpolate(page, route.title, callback);
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};
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metaService.getDescription = function(page, callback) {
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var route = page.$$route;
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if (!route || !route.description || route.description.indexOf('{{') < 0) {
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return;
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}
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interpolate(page, route.description, callback);
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};
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return metaService;
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}]);
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